my $zbuf = delete $self->{zbuf};
my $gz = delete $self->{gz};
my $err;
- if (defined $_[1]) {
+ if (defined $_[1]) { # it's a bug iff $gz is undef w/ $_[1]
$err = $gz->deflate($_[1], $zbuf);
die "gzip->deflate: $err" if $err != Z_OK;
}
+ $gz // return; # not a bug, recursing on DS->write failure
$err = $gz->flush($zbuf);
die "gzip->flush: $err" if $err != Z_OK;
$zbuf;